Reef Casa Tide 12 — 12-Gallon Ultra-Clear Glass All-In-One Super Shallow Reef Aquarium - Reef Casa

The Reef Casa Tide 12 is an all-in-one, 12-gallon (45-liter) super shallow reef aquarium inspired by natural tidal pools. With its dimensions of 22" x 20" x 7" (560 x 505 x 178 mm) and an ultra-low profile of just 7 inches, the Tide offers a generous footprint ideal for creating a desktop reef lagoon or a spectacular frag tank. Made from 5mm rimless ultra-clear glass, it provides an unobstructed view of your corals, anemones, and invertebrates—both from the front and from above.

Why choose the Reef Casa Tide 12?

• Super shallow design: Ultra-low profile of only 7 inches (178 mm), the same height as the Pico 6 but with a 22" x 20" footprint—perfect for lagoon or tidal pool aquascapes.
• 12 gallons in a flat format: The same volume as the Studio 12, but spread horizontally for an exceptional top-down view of your corals.
• Integrated filtration: All-in-one rear filtration system with return pump, tubing, and directional nozzle included—no external plumbing required.
• Rimless ultra-clear glass: 5mm ultra-clear glass for optimal clarity of your marine ecosystem.
• Manufacturer's warranty: Warranty on silicone and workmanship—the industry standard for all-in-one shallow aquariums.

What's in the box?

• Reef Casa Tide 12 ultra-clear 5mm glass aquarium
• Return pump with hose and directional nozzle
• 1 pre-cut Reef Casa filter floss pad
• 1 bag of high-purity activated carbon
• Self-leveling mat
• Integrated rear filtration

Technical specifications

• Total system volume: 12.13 gallons / 46 liters
• Display volume: 10.31 gallons / 39 liters
• Rear filter volume: 1.52 gallons / 6.89 liters
• Dimensions: 22" x 20" x 7" (560 x 505 x 178 mm)
• Rear filter width: 3" / 76.2 mm
• Return pump chamber: 3.9" x 3.14"
• Glass thickness: 5 mm ultra-clear
• Number of outputs: 1 directional nozzle
• Stand available: 22" x 20" x 36" (560 x 508 x 914 mm), sold separately

Installation and maintenance

The Tide 12 can be set up in minutes. Place the filter floss and activated carbon in the rear chambers, connect the return pump, and fill with saltwater. The shallow format makes aquascaping easy with rocks extending above the water surface for a natural tidal pool effect. For optimal cycling, add Reef Casa Bacteria Hotel Blocks. Maintenance: change the filter floss twice a week, carbon every 1-2 weeks, and perform a 25% water change every two weeks.

Reef compatibility

The super shallow format of the Tide 12 is particularly suitable for zoanthids, mushrooms, rock flower anemones, and soft corals that benefit from intense lighting in shallow water. Experienced aquarists also keep SPS corals in the Tide due to the low water column that maximizes light penetration. It is also ideal as a frag tank due to its large bottom surface area.

Why choose the Tide 12 from ReefSolution?

ReefSolution is an authorized Reef Casa dealer in Quebec. Secure shipping across Canada. Free shipping available depending on order amount. 🚚 Shipping Policy. Complete your shallow reef system with compatible accessories available from us:

• Reef Casa Halo Reef LED — LED lighting with integrated timer and dimmer, full spectrum for all corals.
• Manta by Reef Casa 75W — Powerful LED lighting covering a 24" x 24" area, ideal for the Tide 12.
• Reef Casa Surf Mini Wave Maker 1600 GPH — DC wave pump for aquariums from 4 to 25 gallons.
• Reef Casa Bacteria Hotel Blocks — Biofiltration blocks equivalent to 20 lbs of live rock in colonizable surface area.

Frequently Asked Questions

What is the difference between the Reef Casa Tide 12 and the Studio 12?

Both are 12-gallon all-in-one aquariums, but the Tide measures 22" x 20" x 7" (super shallow) while the Studio measures 16" x 15" x 11" (cube). The Tide offers a large surface area for corals and a spectacular top-down view, while the Studio offers more depth for fish and vertical aquascaping.

What lighting should I choose for a Reef Casa Tide 12 super shallow?

The Manta 75W by Reef Casa covers a 24" x 24" area, which matches the Tide's footprint well (22" x 20"). The Reef Casa Halo also works, but its coverage is narrower. Many aquarists successfully use an AI Prime HD on the Tide 12.

Is the Reef Casa Tide 12 a good aquarium for reef beginners?

The Tide 12 is suitable for motivated beginners thanks to its all-in-one design. However, its shallow water column (7 inches) leads to faster evaporation—an auto top-off (ATO) system is highly recommended. The 12-gallon volume provides a good margin for error with parameters.